An access code is a special combination of numbers or letters that allows you to get into something, like a computer or a website. It's like a secret password that lets you access or enter a certain place or information. Full definition
However, select fans will begin to receive special early access codes for the demo via email beginning today. (shortpause.com)
You can set as many as 30 unique access codes for family and friends, set times for when you allow guests to use those codes, or view which codes have been used. (slashgear.com)
Does it mean that the shape of a plug or electrical insert, which might be used for different purposes including nothing to do with accessing code, is caught under this regime? (slaw.ca)